Rib cage protector



FIG. 1 is a front and left side perspective view of a rib cage protector showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a front elevational view; and

FIG. 6 is a rear elevational view. 

The ornamental design for a rib cage protector, substantially as shown and described. 